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Finding the Fourth Proportional to 111,548.70, 167,322.78 and 52,384.14

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Solution

The fourth proportional to 111,548.70, 167,322.78 and 52,384.14 is: 78,576.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,548.70 : 167,322.78 = 52,384.14 : x
  2. Step 2: Convert to fraction form
    111,548.70/167,322.78 = 52,384.14/x
  3. Step 3: Cross multiply
    111,548.70x = 167,322.78 × 52,384.14
  4. Step 4: Simplify right side
    111,548.70x = 8,765,059,932.71
  5. Step 5: Solve for x
    x = 8,765,059,932.71/111,548.70
  6. Step 6: Final answer
    x = 78,576.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.